content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.impl.operators;
  
  import hu.akarnokd.reactive4javaflow.*;
  
  import java.util.concurrent.Flow;
  
  /**
   * Wraps multiple Publishers into a ParallelFolyam which runs them
   * in parallel.
   *
   * @param <T> the value type
   */
  public final class ParallelFromArray<T> extends ParallelFolyam<T> {
      final Flow.Publisher<? extends T>[] sources;
  
      public ParallelFromArray(Flow.Publisher<? extends T>[] sources) {
          this.sources = sources;
      }
  
      @Override
      public int parallelism() {
          return sources.length;
      }
  
      @Override
      public void subscribeActual(FolyamSubscriber<? super T>[] subscribers) {
          int n = subscribers.length;
  
          for (int i = 0; i < n; i++) {
              sources[i].subscribe(subscribers[i]);
          }
      }
  }
  